Electric snap-switch



(No Model.)

C. D. HASKINS.

ELECTRIC SNAP SWITCH.

,No. 501,068: Patented July 11, 1893.

WITNEEEES Unirrnn STATES PATPT OFFICE.

CARYL D. HASKINS, OF LYNN, MASSACHUSETTS, ASSIGNOR TO THE GENERAL ELECTRIU COMPANY, OF NEIV YORK.

ELECTRIC SNAP-SWITCH.

SPECIFICATION forming part of Letters Patent No. 501,068, dated July 11, 1893.

Application filed January 24, 1.893 Serial Nov 459,543. (No model.)

To all whom it may concern.-

Be it known that I, OARYL D. ILisxrNs, a citizen of the United States, residing at'Lynn, in the county of Essex, State of Massachu- 5 setts, have invented certain new and useful Improvements in Electric Snap-Switches, of which the following is a specification.

My invention relates to switches, and more convenient place.

To this end I provide a spring consisting of a single piece of spring wire coiled in a peculiar manner, to be more particularly described hereinafter.

I also arrange the switch so that to its second position.

In the drawings annexed to and forming part of this specification, in which like letters refer to like parts, and which show one mode of embodying my invention, Figure 1 is a plan and Fig. 2 a sectional elevation of a switch made according thereto.

Referring by letter, A is a base upon which the switch is constructed, properly mounted upon standards or supports B B, or in any other manner.

0 O, &c., are contact points to join which the switch is constructed, D D being arms or plates of the switch, which is of the ordinary jackknife construction.

As shown in the drawings the switch is in its first position, thus placing the spring F under tension, and being held in such position by the trigger H engaging the lug I upon the switch handle; the trigger being maintained in position to engage the lug by the spring J.

To the back of the trigger is lixed the armature O of the electro-magnet G G. This electro-magnet is in circuit with the battery L by means of wires K K and push button M.

As seen in the drawings the spring F is made of a single piece of hard drawn brass wire secured to the base plate by means of a plate a and suitable bolts or screws; to increase its power it is coiled several times into the close helices ffand its middle portion is carried up under a pin N which secures it to the handle E of the switch. The action of this arrangement is apparent from the preceding description and is briefly thus: The switch is normally set to the position shown in the drawings, and when the engineer or lineman desires to throw it to its other position the button M is pressed, throwing current through the magnet G G, attracting the armature 0, thus releasing the trigger H; the spring F thereupon carries the handle to its second position.

Having thus described myinvention, what I claim, and wish to protect byLetters Patent of the United States, is

1. In an electric snap switch, the combination of a switch mechanism normally held under tension with a spring F composed of a single pieceof wire, coiled at its extremities and having its middle portion engaged by the handle of the switch, substantially as described.

2. In an electric snap switch, a switch mechanism adapted to hold under tension aspring composed of a single piece of wire coiled at its extremities and engaged by its middle portion, in combination with a trigger securing the switch handle and adapted to be operated by a galvanic circuit.

In an electric snap switch, switching mechanism normally held under tension, a spring, as F, coiled at its ends, as ff, and having its middle part attached to the handle of the switch, substantially as set forth.

mechanism normally held under tension, a spring, as F, having its ends coiled, asff, and its middle attached to the handle of the switch, in combination with a trigger, as H, engaging a lug, as I, upon the said handle, substantially as described.

4.. In an electric snap switch, a switching 5. In an electric snap switch, a switching mechanism normally held under tension, a spring, as F, havingits ends coiled, asff, and its middle attached to the handle of the switch, in combination with a trigger, as H, engaging a lug, as I, upon the said handle, the trigger adapted to be operated by a subsidiary galvanic circuit, substantially as set forth.

'6. In an electric snap switch, a switching mechanism normally held under tension, a spring, as F,having its ends eoiled,as ff, and its middle attached to the handle of the switch; in combination with a trigger, as H, engaging In witness whereof-I have hereunto set my 20 hand this 21st day of January, 1893.

GARYL D. HASKINS.

\Vitnesses:

ALEC. F. MACDONALD, H. J. LIVERMORE. 

